MAX394 Maxim, MAX394 Datasheet

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MAX394

Manufacturer Part Number
MAX394
Description
The MAX394 is a precision, low-voltage, quad, single-pole/double-throw (SPDT) analog switch
Manufacturer
Maxim
Datasheet

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The MAX394 is a precision, low-voltage, quad, single-
pole/double-throw (SPDT) analog switch. The four inde-
pendent switches operate with bipolar supplies ranging
from ±2.7V to ±8V, or with a single supply of +2.7V to
+15V. The MAX394 offers low on-resistance (less than
35Ω), guaranteed to match within 2Ω between channels
and to remain flat over the analog signal range (Δ4Ω
max). It also offers break-before-make switching (10ns
typical), with turn-off times less than 75ns and turn-on
times less than 130ns. The MAX394 is ideal for portable
operation since quiescent current runs less than 1µA with
all inputs high or low.
This monolithic, quad switch is fabricated with Maxim’s
low voltage silicon-gate process. Design improvements
guarantee extremely low charge injection (10pC), low
power consumption (10µW), and electrostatic discharge
(ESD) greater than 2000V.
Logic inputs are TTL and CMOS compatible and guaran-
teed over a +0.8V to +2.4V range for supply voltages up
to +8V. When supplies exceed +8V, the inputs are typi-
cally +0.8V to +4V. Logic inputs and switched analog sig-
nals can range anywhere between the supply voltages
without damage.
________________________Applications
19-0391; Rev 2; 9/08
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim’s website at www.maxim-ic.com.
__________________Pin Configuration
_______________General Description
Test Equipment
Communications Systems
PBX, PABX
Heads-Up Displays
TOP VIEW
COM1
COM2
SWITCHES ARE SHOWN WITH LOGIC "0" INPUT
N.C. = NOT INTERNALLY CONNECTED
GND
NO1
NC1
NC2
NO2
IN1
IN2
V-
________________________________________________________________ Maxim Integrated Products
10
1
2
3
4
5
6
7
8
9
DIP/SO/TSSOP
MAX394
Portable Instruments
Audio Signal Routing
Set-Top Boxes
20
19
18
17
16
15
14
13
12
11
IN4
NO4
COM4
NC4
V+
N.C.
NC3
NO3
COM3
IN3
Low-Voltage, Quad, SPDT,
♦ ♦ Low On-Resistance, < 17Ω Typical (35Ω max)
♦ ♦ Guaranteed Matched On-Resistance Between
♦ ♦ Guaranteed Flat On-Resistance over Analog
♦ ♦ Guaranteed Charge Injection < 10pC
♦ ♦ Guaranteed Off-Channel Leakage < 2.5nA at +85°C
♦ ♦ ESD Guaranteed > 2000V per Method 3015.7
♦ ♦ Single-Supply Operation (+2.7V to +15V)
♦ ♦ TTL/CMOS-Logic Compatibility
♦ ♦ Rail-to-Rail Analog Signal Handling Capability
♦ ♦ Pin Compatible with MAX333, MAX333A
____________________________Features
* Contact factory for dice specifications.
** Contact factory for availability.
MAX394CPP
MAX394CWP
MAX394C/D
MAX394EPP
MAX394EWP
MAX394EUP
MAX394MJP
MAX394MWP/PR
MAX394MWP/PR-T
Channels, < 2Ω
Signal Range, Δ4Ω Max
Bipolar-Supply Operation (±2.7V to ±8V)
CMOS Analog Switch
INPUTS
PART
OSC
IN
V
V
V
V
1
2
3
4
Typical Operating Circuit
TEMPERATURE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-55°C to +85°C
-55°C to +125°C
-55°C to +125°C
LEVEL TRANSLATOR
FLYING CAPACITOR
Ordering Information
(2-CHANNEL)
PIN-PACKAGE
20 Plastic DIP
20 Wide SO
Dice*
20 Plastic DIP
20 Wide SO
20 TSSOP
20 CERDIP**
20 Wide SO**
20 Wide SO**
OUTPUTS
V
V
1
3
- V
- V
2
4
1

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MAX394 Summary of contents

Page 1

... It also offers break-before-make switching (10ns typical), with turn-off times less than 75ns and turn-on times less than 130ns. The MAX394 is ideal for portable operation since quiescent current runs less than 1µA with all inputs high or low. ...

Page 2

... Narrow SO (derate 8.70mW/°C above +70°C) ............696mW CERDIP (derate 10.00mW/°C above +70°C) ...............800mW TSSOP (derate 11.00mW/°C above +70°C) ................879mW Operating Temperature Ranges MAX394C_ P .......................................................0°C to +70°C MAX394E_ P ....................................................-40°C to +85°C MAX394MJP ..................................................-55°C to +125°C Storage Temperature Range .............................-65°C to +150°C Lead Temperature (soldering, 10s) .................................+300° ...

Page 3

ELECTRICAL CHARACTERISTICS—Dual Supplies (continued) ( ±10 -5V ±10%, GND = 0V, V PARAMETER SYMBOL DIGITAL LOGIC INPUT Input Current with Input I INH Voltage High Input Current with Input I INL Voltage Low Logic High Input ...

Page 4

Low-Voltage, Quad, SPDT, CMOS Analog Switch ELECTRICAL CHARACTERISTICS—Single +5V Supply ( ±10 0V, GND = 0V, V INH PARAMETER SYMBOL SWITCH V COM, Analog Signal Range V NO On-Resistance R ON On-Resistance Match ΔR ...

Page 5

ELECTRICAL CHARACTERISTICS—Single +5V Supply (continued) (V+ = +5V ±10 0V, GND = 0V, V PARAMETER SYMBOL DYNAMIC Turn-On Time (Note Turn-Off Time (Note 3) t OFF Break-Before-Make Time t D Delay (Note 3) Charge Injection ...

Page 6

... SUPPLY Power-Supply Range V+ Positive Supply Current I+ Negative Supply Current I- Note 2: The algebraic convention, where the most negative value is a minimum and the most positive value a maximum, is used in this data sheet. Note 3: Guaranteed by design. Note 4: ΔR = ΔR (max) - ΔR (min). On-resistance match between channels and flatness are guaranteed only with ...

Page 7

Operating Characteristics (T = +25°C, unless otherwise noted.) A ON-RESISTANCE vs. V COM (DUAL SUPPLIES -8V ...

Page 8

Low-Voltage, Quad, SPDT, CMOS Analog Switch ____________________________Typical Operating Characteristics (continued +25°C, unless otherwise noted). A CHARGE INJECTION vs - -5V -30 -40 - ...

Page 9

... V+ Positive Power Supply __________Applications Information Operation with Supply Voltages The MAX394 switch operates with ±2.7V to ±8V bipolar supplies and a +2.7V to +15V single supply. In either case, analog signals ranging from can be switched. The Typical Operating Characteristics graphs show the typical on-resistance variation with analog signal and supply voltage. The usual on-resistance temperature coefficient is 0.5%/° ...

Page 10

... COM_ NO_ -10V IN_ MAX394 V+ GND V- +15V -15V (REPEAT TEST FOR IN2, IN3, AND IN4.) + MAX394 COM GND V- -5V + COM_ MAX394 IN_ GND V- - 1kΩ 35pF 300Ω 2. ...

Page 11

... ANALYZER GND R L Figure 8. Crosstalk Test Circuit ______________________________________________________________________________________ Low-Voltage, Quad, SPDT, CMOS Analog Switch MAX394 IN_ V- 10nF -5V +5V V+ MAX394 0V, FREQUENCY 2.4V IN_ 5pF 50Ω FREQUENCY IN2 0V or 2.4V COM C V- -5V Δ OFF Q = (Δ ...

Page 12

... GND NC2 COM2 NO2 IN3 IN2 0.100" (2.54mm) SUBSTRATE IS CONNECTED TO V+ TRANSISTOR COUNT: 137 12 ______________________________________________________________________________________ For the latest package outline information and land patterns, go NO4 to www.maxim-ic.com/packages. PACKAGE TYPE 20 Plastic DIP 20 Wide SO COM4 20 TSSOP 20 CERDIP NC4 0.128" (3.25mm) V+ NC3 COM3 NO3 ...

Page 13

... Added information for rugged plastic product Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 ____________________ 13 © ...

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